---
title: "RAMIUS CAPITAL GROUP LLC — Ownership Dossier"
canonical: https://whiteintel.dev/entity/e665d3bd-e5bf-5da9-9a77-e0caf0bed304
json: https://whiteintel.dev/api/public/dossier/e665d3bd-e5bf-5da9-9a77-e0caf0bed304
identifier: sec:0001050154
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# RAMIUS CAPITAL GROUP LLC

**Type:** Company  
**Jurisdiction:** US  
**Identifier:** `sec:0001050154`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/e665d3bd-e5bf-5da9-9a77-e0caf0bed304  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/e665d3bd-e5bf-5da9-9a77-e0caf0bed304  

## Ownership & control

### Holdings / subsidiaries

- **SHARPER IMAGE CORP** (tenpercentowner) — https://whiteintel.dev/entity/47e605fd-224a-5d7b-989e-5264d9f71908
- **COWEN GROUP, INC.** (tenpercentowner) — https://whiteintel.dev/entity/9e055cfc-0b10-5f9c-aed9-c9cc614bee5f
- **COWEN GROUP, INC.** (director) — https://whiteintel.dev/entity/9e055cfc-0b10-5f9c-aed9-c9cc614bee5f
- **RAND ACQUISITION CORP** (tenpercentowner) — https://whiteintel.dev/entity/32fc64ba-de28-537c-b731-1973dbe1213a
- **ESSEX RENTAL CORP.** (tenpercentowner) — https://whiteintel.dev/entity/c1affc73-1898-533f-a3d0-766436b81e96
- **IMMERSION CORP** (tenpercentowner) — https://whiteintel.dev/entity/a5afaedf-e175-51e7-9de4-8cea83866277
- **SURMODICS INC** (tenpercentowner) — https://whiteintel.dev/entity/753d4149-1d93-570a-af88-3ad5a419d93c
- **PHOENIX TECHNOLOGIES LTD** (tenpercentowner) — https://whiteintel.dev/entity/7827e914-6573-5d46-b67e-c3d01812c871
- **TEXAS PETROCHEMICALS INC.** (tenpercentowner) — https://whiteintel.dev/entity/99cb88a1-4513-5d4f-bcd1-50b4e4b790c7
- **TOLLGRADE COMMUNICATIONS INC \PA\** (tenpercentowner) — https://whiteintel.dev/entity/d9f3b42f-27aa-5de7-9273-4626f7f27a21
- **CPI CORP** (tenpercentowner) — https://whiteintel.dev/entity/956d9a78-29b5-5c2c-ab58-9dadab87c9ef
- **IMAGE ENTERTAINMENT INC** (tenpercentowner) — https://whiteintel.dev/entity/498e0f4d-7554-53bb-a110-04f3a217bb8b
- **AGILYSYS INC** (tenpercentowner) — https://whiteintel.dev/entity/e92f3944-f012-5a75-ae24-92254ca00d13
- **KENSEY NASH CORP** (director) — https://whiteintel.dev/entity/91185b83-e2e9-52dc-8459-5866f7b83b3a
- **DIGITALFX INTERNATIONAL INC** (tenpercentowner) — https://whiteintel.dev/entity/4d377f56-c661-59b5-b5a0-f2f99ff17271
- **PET EXPRESS SUPPLY INC** (tenpercentowner) — https://whiteintel.dev/entity/28568834-f77c-5d4e-bd4e-20ddc3fe34c3
- **GIGABEAM CORP** (tenpercentowner) — https://whiteintel.dev/entity/b07c4620-0591-5d51-9dbd-c5a2cd3a1bc8
- **KENSEY NASH CORP** (tenpercentowner) — https://whiteintel.dev/entity/91185b83-e2e9-52dc-8459-5866f7b83b3a
- **S1 CORP /DE/** (tenpercentowner) — https://whiteintel.dev/entity/d3dae5e4-1703-5276-a4dd-8039efe882fa
- **APPLIED VOICE TECHNOLOGY INC /WA/** (tenpercentowner) — https://whiteintel.dev/entity/b7ec8ee9-3abf-59ea-bf82-9847d1c7b7eb
- **DEPARTMENT 56 INC** (tenpercentowner) — https://whiteintel.dev/entity/2b5f3875-c99f-5c30-85d5-9290065b7f43
- **STAR BULK CARRIERS CORP.** (tenpercentowner) — https://whiteintel.dev/entity/43ac5bf1-9fa1-57e5-838b-37b9cac8c3da
- **AMERICREDIT CORP** (other) — https://whiteintel.dev/entity/88efc7a1-b2be-56fd-bc2e-8fe513b708ca
- **I MANY INC** (tenpercentowner) — https://whiteintel.dev/entity/5a8f1f17-1193-5bea-8ece-6a8e60575f95
- **ASHWORTH INC** (tenpercentowner) — https://whiteintel.dev/entity/eac3a2a1-7c28-5ad3-9b05-4f6570475472
- **BASELINE OIL & GAS CORP.** (tenpercentowner) — https://whiteintel.dev/entity/9205c3c6-96a0-5716-8d91-8ab8fe497a74
- **ASHWORTH INC** (tenpercentownerother) — https://whiteintel.dev/entity/eac3a2a1-7c28-5ad3-9b05-4f6570475472
- **LAMSON & SESSIONS CO** (tenpercentowner) — https://whiteintel.dev/entity/183202c1-665e-56f2-b967-bf7957fab06f
- **SCHULMAN A INC** (other) — https://whiteintel.dev/entity/01802c25-447e-59df-9e55-3f2af3838827
- **SHARPER IMAGE CORP** (tenpercentownerother) — https://whiteintel.dev/entity/47e605fd-224a-5d7b-989e-5264d9f71908
- **SCHULMAN A INC** (tenpercentowner) — https://whiteintel.dev/entity/01802c25-447e-59df-9e55-3f2af3838827
- **PEP BOYS MANNY MOE & JACK** (other) — https://whiteintel.dev/entity/ac8ab1c4-83f0-5cd2-a70c-3ed8276476b0
- **KEMPER BD ENHANCED SEC TR SER 7 & SER 8 TOTAL RETURN** (tenpercentowner) — https://whiteintel.dev/entity/86a76072-fa97-599e-94c2-ed413605305f
- **SAIA INC** (tenpercentowner) — https://whiteintel.dev/entity/b708b19c-03dc-559e-82ec-a6c4b3b0f6dd

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **RAMIUS CAPITAL GROUP LLC**. Human view: https://whiteintel.dev/entity/e665d3bd-e5bf-5da9-9a77-e0caf0bed304 · Structured JSON: https://whiteintel.dev/api/public/dossier/e665d3bd-e5bf-5da9-9a77-e0caf0bed304._

_Risk levels are heuristic investigative leads, not legal determinations of beneficial ownership. Every claim carries a source; an absent edge means "not yet observed in current sources", not "does not exist"._